OPENDJ-2328: Optimize UUID equality matching rule indexing

Matthew Swift

29.13.2015 bdc34b39ae76a66f786bbb6d46b20e0785bb99e7

 opendj-server-legacy/src/main/java/org/opends/server/extensions/EntryUUIDVirtualAttributeProvider.java

@@ -32,11 +32,9 @@
import java.util.UUID;

import org.forgerock.i18n.LocalizableMessage;
import org.forgerock.i18n.slf4j.LocalizedLogger;
import org.forgerock.opendj.ldap.ByteString;
import org.forgerock.opendj.ldap.ConditionResult;
import org.forgerock.opendj.ldap.ResultCode;
import org.forgerock.opendj.ldap.schema.MatchingRule;
import org.opends.server.admin.std.server.EntryUUIDVirtualAttributeCfg;
import org.opends.server.api.VirtualAttributeProvider;
import org.opends.server.core.SearchOperation;
@@ -56,8 +54,6 @@
public class EntryUUIDVirtualAttributeProvider
       extends VirtualAttributeProvider<EntryUUIDVirtualAttributeCfg>
{
  private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();

  /**
   * Creates a new instance of this entryUUID virtual attribute provider.
   */
@@ -80,13 +76,9 @@
  @Override
  public Attribute getValues(Entry entry, VirtualAttributeRule rule)
  {
    return Attributes.create(rule.getAttributeType(), getUUIDString(entry));
  }

  private String getUUIDString(Entry entry)
  {
    ByteString normDN = entry.getName().toNormalizedByteString();
    return UUID.nameUUIDFromBytes(normDN.toByteArray()).toString();
    String uuid = UUID.nameUUIDFromBytes(normDN.toByteArray()).toString();
    return Attributes.create(rule.getAttributeType(), uuid);
  }

  /** {@inheritDoc} */
@@ -99,24 +91,6 @@

  /** {@inheritDoc} */
  @Override
  public boolean hasValue(Entry entry, VirtualAttributeRule rule, ByteString value)
  {
    MatchingRule matchingRule = rule.getAttributeType().getEqualityMatchingRule();
    try
    {
      String uuidString = getUUIDString(entry);
      ByteString normValue = matchingRule.normalizeAttributeValue(value);
      return uuidString.equals(normValue.toString());
    }
    catch (Exception e)
    {
      logger.traceException(e);
      return false;
    }
  }

  /** {@inheritDoc} */
  @Override
  public ConditionResult matchesSubstring(Entry entry,
                                          VirtualAttributeRule rule,
                                          ByteString subInitial,